PS Core Engineer (Ericsson Packet Core, 5G Core & Cloud) | Tangent International | Saudi Arabia

Tangent International; Saudi Arabia; On-site; SAR 180,000 - 300,000; Full time

Job summary

Tangent International seeks an experienced PS Core Engineer in Saudi Arabia to lead Ericsson-based core network operations on a 12-month extendable contract. You will own node provisioning, KPI analysis, and PCC/5G policy configuration, interfacing with global recruitment teams.

The role requires deep Ericsson PS Core experience, strong scripting ability, and on‑site work in Saudi Arabia. Contract scope includes operational ownership and international exposure.

Qualifications

• Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or related field.
• 3–5+ years of hands-on Packet Core experience.
• Strong Ericsson Packet Core exposure (MME/EPG/PCC/PCG/SMF/UPF/NEF/ESOA).
• Experience with EPC, LTE and 5G Core architecture and signaling.
• Familiar with signaling protocols (GTP-C/U, Diameter, RADIUS, HTTP/2, SIP).
• Proficient in Ericsson CLI environments and monitoring tools.
• Analytical troubleshooting and stakeholder communication skills.
• Legal work authorization and availability in Saudi Arabia.

Responsibilities

• Monitor, maintain, and troubleshoot Ericsson PS Core nodes (MME, EPG, PCC/PCG, SAPC, SMF/UPF, NEF, ESOA).
• Resolve complex network faults, capacity bottlenecks, and service degradations quickly.
• Manage subscriber sessions, PDP contexts, bearers, IMSI tracing, APNs, and QoS policies.
• Configure PCC and 5G policy rules (PDR, QER, FAR, URR) and DNS/NAPTR/SRV records.
• Support end-to-end node integration, commissioning, upgrades, and capacity expansions.
• Analyze KPIs, traffic performance, and service availability dashboards.
• Develop automation scripts (Python, Bash, Expect, AWK) to optimize workflows.
• Maintain incident logs, runbooks, and stakeholder audit documentation.

Education

Bachelor’s degree in Telecommunications Engineering/Electrical Engineering/Computer Science

3–5+ years in Packet Core engineering

Ericsson Packet Core expertise (MME/EPG/PCC/PCG/SMF/UPF/NEF/ESOA)

LTE/5G Core signaling and architecture

GTP-C/U, Diameter, RADIUS, SIP, SCTP, TCP/IP protocols

Ericsson CLI (gsh, vshell) and monitoring tools (ENM, ENIQ, NetAct)

Automation scripting (Python, Bash)

Analytical problem solving and fault management

Stakeholder communication and coordination

Legal work authorization for Saudi Arabia

Tools

VMware

OpenStack

Kubernetes

Docker

Jira

Confluence

ServiceNow

Wireshark

ENM

ENIQ

NetAct

Job description

Position Summary

Driving advanced packet core network configuration, integration, optimization, and fault resolution across 2G, 3G, 4G/LTE, and 5G networks in Saudi Arabia, Tangent International is actively seeking an experienced PS Core Engineer with strong Ericsson expertise for a 12-month extendable contract engagement. In this vital technical leadership role, you will take full operational, tactical, and technical ownership of Ericsson packet core nodes, PCC policy implementation, cloud-native deployments, and multi-vendor signaling protocols. Bringing progressive professional experience in core network engineering and packet core operations, you will empower an elite telecommunications enterprise to achieve uncompromised network availability, secure subscriber session management, and superior 5G service delivery. This prestigious career opportunity offers competitive remuneration, international enterprise exposure, and professional growth within a leading global technical recruitment and telecommunications consultancy enterprise.

Detailed Job Description

As a PS Core Engineer supporting Tangent International on a professional contract basis in Saudi Arabia (12-month extendable duration), you will take full operational, tactical, and technical ownership of packet core network support, node commissioning, performance auditing, and cross-functional engineering collaboration. Your day-to-day responsibilities include monitoring, maintaining, and troubleshooting Ericsson PS Core nodes (MME, EPG, PCC/PCG, SAPC, SMF/UPF, NEF, ESOA), resolving complex network faults, capacity bottlenecks, and service degradations, managing subscriber sessions, PDP contexts, bearers, IMSI tracing, APNs, and QoS policies, configuring PCC and 5G policy rules (PDR, QER, FAR, URR) as well as DNS/NAPTR/SRV records, supporting node integration, commissioning, software upgrades, and capacity expansions, analyzing network KPIs, traffic performance, and service availability, developing automation scripts to support network optimization, and interacting directly with international talent acquisition divisions and recruitment leads like James Bundock.

Key Responsibilities

• Monitor, maintain, and troubleshoot core Ericsson PS Core nodes including SGSN-MME, EPG, PCC/PCG, SAPC, DRA, SMF/UPF, NEF, and ESOA.
• Resolve complex network faults, capacity constraints, signaling anomalies, and mobile service degradations rapidly.
• Manage subscriber sessions, PDP contexts, radio bearers, IMSI tracing, Access Point Names (APNs), and dynamic QoS policies.
• Configure advanced PCC and 5G policy rules including PDR, QER, FAR, URR, and network DNS/NAPTR/SRV records.
• Support end-to-end node integration, hardware/software commissioning, system upgrades, and cluster capacity expansions.
• Analyze complex network KPIs, traffic performance counters, throughput metrics, and service availability dashboards.
• Develop robust automation scripts utilizing Python, Bash, Expect, or AWK to streamline network optimization workflows.
• Maintain meticulous incident logs, configuration runbooks, network health reports, and stakeholder audit documentation.

Required Qualifications & Skills

• Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or related technical discipline.
• Minimum of 3 to 5+ years of progressive professional hands‑on experience in Packet Core engineering and core network operations.
• Strong, demonstrable operational expertise in Ericsson Packet Core platforms (SGSN-MME, EPG, PCC/PCG, SAPC, DRA, SMF/UPF, NEF, ESOA).
• Comprehensive working knowledge and practical proficiency in EPC, LTE, and 5G Core network architecture and signaling.
• Deep practical experience with telecommunications signaling protocols including GTP-C/U, Diameter, RADIUS, HTTP/2, SIP, SCTP, and TCP/IP.
• Solid practical grasp of Ericsson CLI environments (gsh, vshell, EPG, PCC) and monitoring tools (ENM, ENIQ, NetAct, Wireshark).
• Exceptional analytical problem‑solving aptitude, root‑cause troubleshooting capabilities, and professional stakeholder communication skills.
• Mandatory legal work authorization and physical availability for professional operations in Saudi Arabia.

Nice-to-Have Skills

• Professional vendor certifications such as Ericsson Certified Associate/Professional in Packet Core or 5G Networks.
• Prior professional working experience supporting dual‑mode 5G Core, cloud‑native network functions (CNF), and SMF/UPF integration.
• Hands‑on familiarity with cloud infrastructure platforms including VMware, OpenStack, Kubernetes, and Docker containers.
• Experience utilizing enterprise agile tracking and collaboration platforms (Jira, Confluence, ServiceNow).
• Active participation in 3GPP standards committees, core network user forums, or telecommunications engineering groups.

Salary & Employment Conditions

• Salary/Rate: Market Competitive / Enterprise Telecom Consulting Package
• Work Schedule: On‑Site Professional Operations (Saudi Arabia)
• Contract Duration: 12 Months Contract (Extendable)
• Notice Period: Immediate to 30 Days Preferred
• Deadline: Open until filled (Urgent KSA PS Core Engineer Opening)

Recruitment Pro Tip

When applying for this PS Core Engineer position through Tangent International, ensure your resume explicitly highlights your Ericsson EPG/MME tenure, SMF/UPF integration experience, and CLI automation scripting skills.